[CRASH] Windows Consistently Freezing After Power Outage

I have been having a serious issue with my PC. The PC will boot up without incident, but if I try to access explorer or the OS, it will slow to a crawl and eventually freeze. I have encountered this with firefox, the start menu, and when trying to access the task manager. The problem is consistent, occuring everytime I start the machine. Usually within the first few minutes of a boot-up, Windows has frozen and I must force a hard reset.

The only thing I can think of which may be the cause is a power outage which occured in the night. When I woke up, the PC was off and the problem began as soon as I booted up. The PC was plugged into a power strip which was not tripped by the outage.

I can boot up in Safe Mode, which delays the onset of the crash, but doesn't stop it. I have tried using system restore by accessing the menu during start-up (F8) but the system restore always fails at the very end. Looking at the inside of the PC, there doesn't seem to be any visible damage (that I can detect) and at no points does anything seem to be giving off any excess heat.

When I press CTRL+ALT+DEL in an attempt to access the task manager, the screen goes black and the cursor turns to a wheel. After several minutes, the wheel will stop and a prompt will appear stating "The logon process was unable to display security and logon options when CTRL+ALT+DELETE was pressed. If the operating system does not respond, press ESC or restart the computer by using the power switch."